Quantitative Aptitude - Arithmetic Ability Questions

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

Which of the numbers given below is the square root of 14161?

15 years ago Cynthia was thrice as old as Brittany. The sum of their present ages is 94 years. How old is Brittany now?

In a match, average of runs scored by 7 players is 53. If the runs scored by 6 players are 121, 40, 26, 56, 37 and 48, then how many runs did the 7th player scored?

A train is moving at the speed of 90 km/hr. How many seconds it will take to cover a distance of 2275 meter?

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

If a + b = 5 and ab = 6, then what is the value of a3 + b3?